You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Page-Table length register (PTLR) indicates size of
Options: Page Table
B. Paging File
C. Main Memory
D. Virtual Memory
Ans:– A ,
Which SQL Query is use to remove a table and all its data from the database?
a. Create Table
b. Alter Table
c. Drop Table
d. None of these
Options: Every primary-key value must match a primary-key value in an associated table
B. Every primary-key value must match a foreign-key value in an associated table
C. Every foreign-key value must match a primary-key value in an associated table
D. Every foreign-key value must match a foreign-key value in an associated table
Ans:– c ,
Which of the following is not tree about expert systems?
Options: Expert systems are collections of human knowledge, Export systems are expensive to design., export systems are usually designed to run on small general-purpose computers, Maintenance support may be difficult to obtain for an expert system.